Home / 2,643,780.08-3,965,672.34-724,712.16

Finding the Fourth Proportional to 2,643,780.08, 3,965,672.34 and 724,712.16

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Solution

The fourth proportional to 2,643,780.08, 3,965,672.34 and 724,712.16 is: 1,087,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,780.08 : 3,965,672.34 = 724,712.16 : x
  2. Step 2: Convert to fraction form
    2,643,780.08/3,965,672.34 = 724,712.16/x
  3. Step 3: Cross multiply
    2,643,780.08x = 3,965,672.34 × 724,712.16
  4. Step 4: Simplify right side
    2,643,780.08x = 2,873,970,967,373.65
  5. Step 5: Solve for x
    x = 2,873,970,967,373.65/2,643,780.08
  6. Step 6: Final answer
    x = 1,087,068.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.